LU503302B1 - Steam curing system for production line of pre-tensioning prestressed concrete track plate - Google Patents
Steam curing system for production line of pre-tensioning prestressed concrete track plate Download PDFInfo
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- LU503302B1 LU503302B1 LU503302A LU503302A LU503302B1 LU 503302 B1 LU503302 B1 LU 503302B1 LU 503302 A LU503302 A LU 503302A LU 503302 A LU503302 A LU 503302A LU 503302 B1 LU503302 B1 LU 503302B1
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- steam curing
- track plate
- trolley
- telescopic cylinder
- positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
A steam curing system for a production line of pre-tensioning prestressed concrete track plate, the system comprises: a track plate trolley(5), a track plate and a track trolley mold(40) are arranged on the track plate trolley(5); continuous row kilns(41); a track plate transportation device; a trolley translation device comprises a power device(43), chains(44) and pushing members(46,47), the extending direction of the chains(44) is the same as that of the steam curing channel(42), the power device(43) is used to drive the chains(44) to move from the first end to the second end in the steam curing channel(42); the pushing members(46,47) are fixed on the chain(44) and used for stopping and matching with the track plate trolley(5), in order to move from the first end to the second end of the chains(44), driving the track plate trolley(5) move towards the second end. The steam curing system completes the automatic entry and exit steam curing station of the track plate with mold(40), which has the advantages of reducing the labor intensity of workers, improving the quality and production efficiency of the track plate, and reducing the probability of workers scalding.
Description
BL-5607 1
STEAM CURING SYSTEM FOR PRODUCTION LINE OF PRE-TENSIONING LUS03302
PRESTRESSED CONCRETE TRACK PLATE
The present application relates to the technical field of steam curing, in particular relates to a steam curing system for a production line of pre-tensioning prestressed concrete track plate.
With the rapid development of high-speed railway in China, the demand for high-quality track plate is increasing, which puts forward higher requirements for the quality and production efficiency of track plate. In practical production, the production cycle of track plate is mainly shortened by steam curing of track plate, the concrete operation is to directly place the track plate in the steam curing station filled with steam and speed up the concrete solidification, so that the newly poured track plate can meet the requirements of engineering use in a short time and greatly shorten the production period of track plate.
Therefore, steam curing is the key to ensure the quality of the track plate and improve the production efficiency. The steam curing process of the existing track plate at least includes pre- curing process, heating process, heat preservation process and cooling process, each process has different requirements for temperature. By arranging a plurality of steam curing stations at the continuous row kilns, the temperatures in each steam curing station are different to match each process in the steam curing process. When the track plate moves between the steam curing stations, it needs to be handled manually, which has the disadvantages that the labor intensity of the workers 1s high, which is prone to scald, moreover, the timeliness and uniformity of the manual operation of the workers cannot be guaranteed, which is easy to affect the quality and production efficiency of the track plate.
The purpose of the present application is to provide a steam curing system for a production line of pre-tensioning prestressed concrete track plate, so as to solve or alleviate the problems existing in the prior art.
In order to achieve the above purpose, the present application provides the following
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LU503302 technical solutions: the steam curing system including: a track plate trolley, a track plate and a track trolley mold arranged on the track plate trolley; continuous row kilns, vertically provided with at least two layers of steam curing channels on which a first end and a second end are provided in the extending direction, a plurality of steam curing stations arranged between the first end and the second end, a trolley translation device arranged in the steam curing channels, which can drive the track plate trolley to move in the extending direction of the steam curing channels; a track plate transportation device, provided with at least two and arranged at both ends of the continuous row kilns respectively, one is used for transporting the track plate trolley to the first end of the steam curing channel, and the other one is used for receiving the track plate trolley output from the second of the steam curing channel; the trolley translation device comprises a power device, chains and pushing members, the extending direction of chains is the same as that of the steam curing channel, the power device used to drive the chains to move from the first end to the second end in the steam curing channel; the pushing members are fixed on the chains and used for stopping and matching with the track plate trolley, in order to drive the track plate trolley to move towards the second end when the chains move from the first end to the second end.
Excellent effects (1) In the continuous row kilns of the automatic production line, by means of the steam curing system, the track plate with mold can be automatically move in or out of the first row, the second row, the third row and the fourth row of the steam curing stations, as well as the second and the third layer of the steam curing stations, which has the advantages of reducing the labor intensity of workers, improving the quality and production efficiency of the track plate, and reducing the probability of workers scalding. (2) A tung drive gear adopts wire rope fixed frames, wire ropes, a drum, a winch, a fixed pulley block, a movable pulley block, which has the advantages of simple structure, stable lifting and mature technology. (3) The first section and the third section of the wire ropes can be balanced through a balanced pulley block, and one wire rope is equipped with four groups of movable pully blocks, which can further ensure the stable lifting of the lifting frame.
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LU503302 (4) Compared with only relying on the braking of the winch to limit the position of the lifting frame, it is more accurate to limit the position of the lifting frame through the positioning component, which can accurately ensure that the height of the trolley track and the track height of the steam maintenance station is consistent. (5) A guide plate and a guide wheel match with the guide rail, which can better ensure reliable up and down directional lifting of the lifting frame without horizontal deviation. (6) A tray can move horizontally, when the sliding block telescopic cylinder moves up and down on the lifting frame after being reset, the interference between a vertical guiding frame and the tray can be avoided (7) A four-bar linkage drives between a clamp arm and the clamp arm telescopic cylinder, which has the advantages of simple structure, light weight, reliable transmission and mature technology. (8) A push arm and a torsion shaft are driven between the four-bar linkage and the clamp arm telescopic cylinder, the clamp arm telescopic cylinder can be arranged in the middle of the lifting frame to avoid interference with the structure at the edge of the lifting frame. (9) An inserting rod displacement sensor, a controller and an electric control valve can ensure the displacement synchronization of the two inserting rods. (10) Compared with only relying on the braking of the mobile motor to limit the position of the support frame, it is more accurate to limit the position of the support frame through the positioning the telescopic cylinder and a bolt, which can accurately ensure that the position of the lifting frame and that of the steam maintenance station is consistent. (11) The power device can be reversed, which can easily realize the reset of the chains. (12) The structure and connection mode of the pushing members can avoid the interference between the pushing members and the bump during the chains resetting process, it is simple in structure and convenient for processing and manufacturing. (13) An articulated shaft is formed by a part of the axle, making use of the original structure of the roller, which is convenient for processing and manufacturing and saving cost.
Fig. 1 is a front view of the track plate transportation device;
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LU503302
Fig. 2 1s a top view of the track plate transportation device;
Fig. 3 1s a left side view of the track plate transportation device;
Fig. 4 1s a sectional view A-A of the track plate transportation device;
Fig. 5 1s a sectional view C-C of the track plate transportation device;
Fig. 6 is a sectional view C-C of the track plate transportation device (open swing arm);
Fig. 7 1s a sectional view B-B of the track plate transportation device;
Fig. 8 1s a front view of the track plate transport device lifted to the second floor;
Fig. 9 is a left view of the track plate transportation device lifted to the second floor;
Fig. 10 is a precise positioning diagram of the track plate transportation device and the trolley receiving station;
Fig. 11 is a service state diagram of a steam curing system;
Fig. 12 is a left view of fig. 11;
Fig. 13 is a schematic diagram of the matching between the pushing members and the convex bump in fig. 11.
Description of figures: 1. main frame body; 2.walking wheel mounting frame; 3. vertical guiding frame; 4. lifting frame; 5. track plate trolley; 6. clamp arm; 7. roller; 8. wire rope; 9. moving motor; 10. walking wheel; 11. wire rope fixed frame; 12. fixed pulley block; 13. winch drive; 14. balanced pulley block; 15. winch; 16. drum; 17. inserting rod; 18. sliding block telescopic cylinder; 19.chute; 20. limit telescopic cylinder; 21. dowel pin; 22. two layers positioning screw bolts; 23. three layers positioning screw bolts; 24. guide rail; 25. guide wheel; 26. guide plate; 27. sliding block; 28. push rod; 29. torsion arm; 30. push arm; 31. telescopic cylinder of clamp arm; 32. torsion shaft; 33. movable pulley block; 34. tray; 35. inserting rod displacement sensor; 36. trolley track; 37. bolt; 38. positioning hole of steam curing station; 39. positioning telescopic cylinder; 40. track plate mold; 41. continuous row kilns; 42. steam curing channel; 43. power device; 44. chain; 45. bump; 46. light arm; 47. heavy arm; 48. articulated shaft.
The example of the present application provides a steam curing system, as shown in fig. 11, fig. 12 and fig. 13, (the steam curing system comprises: a track plate trolley (track plate trolley), continuous row kilns 41 and a track plate transportation device. A track plate and a track plate mold
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LU503302 are arranged on the track plate trolley, provided with a downward convex bump 45.
The continuous row kilns 41, vertically provided with at least two layers of steam curing channels (which having three layers in this example), and each layer is provided with four steam curing channels (that is, which having four rows of steam curing channels). Steam curing channel 42 is provided with a first end and a second end in the extending direction, a plurality of steam curing stations arranged between the first end and the second end.
A trolley translation device is arranged in the steam curing channels 42, which can drive the track plate trolley to move in the extending direction of the steam curing channels 42. The trolley translation device comprises a power device 43, chains 44 and pushing members, the extending direction of the chains 44 is the same as that of the steam curing channel 42, the power device 43 is used to drive the chains 44 to move from the first end to the second end in the steam curing channel 42; the pushing members are fixed on the chains 44 and used to stop and coordinate with the track plate trolley 3, in order to drive the track plate trolley 5 to move towards the second end when the chains 44 move from the first end to the second end. The power device 43 can be reversed, which drive the chains 44 to move from the second end to the first end in the steam curing channel 42.
The pushing members comprise a heavy arm 47 and a light arm 46, integrally formed or connected to form a V-shaped piece at the joint; an articulated shaft 48 is arranged at the joint; the pushing members are hinged to the chains 44 through the articulated shaft 48; when the pushing members are only subjected to gravity, the force of the chains 44 and the articulated shaft 48, the heavy arm 47 is attached to the chains 44, and the light arm 46 extends obliquely upward; the chains 44 are provided with rollers and used to roll and coordinate with the bottom wall of the steam curing channel 42; at least a portion of the wheel axle of the rollers forms the articulated shaft 48.
When the chains 44 move from the first end to the second end in the steam curing channel 42, the light arm 46 stops and coordinates with the bump 45 to drive the track plate trolley 5 to move.
When the chains 44 move from the second end to the first end in the steam curing channel 42, the bump 45 pushes the contacted pushing members to swing around the articulated shaft 48, so that the pushing members avoid the interference of the bump 45 on the moving path.
A track plate transportation device, provided with at least two are arranged at both ends of the continuous row kilns respectively, one is used for transporting the track plate trolley 5 to the first end of the steam curing channel, and the other is used for receiving the track plate trolley 5 output
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LU503302 from the second of the steam curing channel. As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the track plate transportation device comprising: a support frame, a vertical guiding frame 3, a lifting frame 4, a lifting drive gear, a clamp arm 6, clamp arm driving assemblies, a tray 34, a track plate trolley 5, a balanced pulley block 14, positioning assemblies, sliding block telescopic cylinder 18, a controller, an inserting rod displacement sensor 35, a positioning telescopic cylinder 39, a bolt 37.
The support frame comprises a main frame body 1 and a walking wheel mounting frame 2, the walking wheel mounting frame 2 is fixed on the main frame body 1, and a moving motor 9 is arranged on the walking wheel mounting frame 2, the output end of the moving motor 9 is fixed with a walking wheel 10 through a reducer, wherein the walking wheel 10 is supported on the mouth edge of the continuous row kilns 41 to drive the track plate transportation device to move in the continuous row kilns 41, the track plate transportation device 1s dived by a moving motor 9 and the walking wheel 10 arranged on the walking wheel mounting frame 2), so as to achieve the accurate movement of the steam curing stations in the first row, the second row, the third row and the fourth row.
The vertical guiding frame 3, fixedly arranged on the main frame body 1, provided with guide rails 24 extending along the up and down directions, two relatively arranged guide rails 24 for a group, and the number of the guide rails 24 for at least one group, the end faces are respectively located at the four corners of a virtual quadrilateral, the guide rails 24 are provided with guide grooves, being V-shaped grooves, and the openings of the guide grooves of one group of the guide rails 24 are opposite.
The lifting frame 4, provided with a guide rail adaptive structure, which is matched with the guide rails 24 to guide the up-and-down movement of the lifting frame 4; specifically: the guide rail adaptive structure comprises a guide wheel 25 and a guide plate 26, wherein the guide wheel 25 is provided with a guide annular surface, a cross section of which is a V-shaped surface; the guide plate 26 is provided with a guide surface, being a V-shaped surface; the guide plate 26 and the guide wheel 25 are provided with two, the two guide plates 26 are respectively coordinated with the two guide rails 24 on a diagonal of the virtual quadrilateral, and the two guide wheels 25 are respectively coordinated with the other two guide rails 24; which can better ensure reliable up and down directional lifting of lifting frame 4 without horizontal deviation.
As shown in fig. 5, fig 6 and fig 7, two relatively arranged clamp arms 6 is a group, the number
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LU503302 of the clamp arms 6 is at least one group, the clamp arms 6 are hinged on the lifting frame 4 through the articulated shafts, and each clamp arm 6 is provided with an inserting rod 17. A group of the clamp arms 6 corresponding to one set of clamp arm driving assemblies, which are used for driving the clamp arms 6 to swing around the articulated shaft to clamp or loosen the clamp arms 6. The clamp arm driving assemblies comprises a clamp arm telescopic cylinder 31 and two groups of planar four-bar linkages; the cylinder body of the clamp arm telescopic cylinder 31 and the planar four-bar linkages are arranged on the lifting frame 4, a push rod 28 and a torsion arm 29 form a part of planar four-bar linkages, the output end of the clamp arm telescopic cylinder 31 1s connected to the input end of the crank(torsion arm 29) of the two groups of the planar four-bar linkages, and the output end of the rocker of the two groups of the planar four-bar linkages are hinged with the two clamp arms 6 respectively; the output end of the clamp arm telescopic cylinder is connected to the mput end of the crank of the planar four-bar linkages through a push arm 30 and a torsion shaft 32, the output end of the clamp arm telescopic cylinder 31 is hinged with one end of the push arm 30, the other end of the push arm 30 is fixedly connected to one end of the torsion shaft 32, and the other end of the torsion shaft 32 is fixedly connected to the input end of the crank of the planar four- bar linkages. Opening and closing process of clamp arm 6: the clamp arm 6 arranged on both sides of the lifting frame 4 is driven by plane four-bar linkages, so that the push arm 30 and the torsion shaft 32 can be opened and closed under the drive of the clamp arm telescopic cylinder 31, so as to complete the positioning and supporting of the track plate trolley 5, the track plate mold 40 and the tray 34.
The tray 34, provided with an insertion hole of the inserting rod; when the clamp arms 6 are clamped, the inserting rods 17 are inserted into the insertion hole of the inserting rod; when the clamp arms 6 are loosened, the inserting rods 17 are detached from the insertion hole of the inserting rod; the clamp arm 6 is provided with a chute 19 and a roller 7, and a slide block 27 is arranged in the chute 19, and the insert rod 17 is fixed on the slide block 27. The cylinder body of the sliding block telescopic cylinder 18 1s fixed on the clamp arm 6, and the sliding block 27 is fixed on the output end of the sliding block telescopic cylinder 18, when the sliding block telescopic cylinder 18 is output in place, the trolley track 36 is butt with the rail of the steam maintenance station and the height is consistent. The roller 7 is rolling coordinated with the lower end face of the tray 34, so that the tray 34 move smoothly and horizontally under the drive of inserting rod 17 and reduce the stress
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LU503302 of inserting rod 17. The inserting rod 17 between the clamp arm 6 pushes and retracts the tray 34: after inserting the inserting rod 17 between the clamp arm 6 into the insertion hole of the inserting rod on the tray 34, under the guidance of the slide block 27 and the chute 19, the slide block telescopic cylinder 18 drives the tray 34 to roll on the roller 7 to complete the horizontal propulsion and retraction.
A controller is arranged on the main frame body 1, and the two inserting rods 17 are provided with inserting rod displacement sensor 35, which convey the inserting rod position signal to the controller 35; the sliding block telescopic cylinder 18 is equipped with an electronic control valve, which controls the flow of thrust medium input to the sliding block telescopic cylinder 18, the controller controls the opening size of the electronic control valve, and the inserting rod displacement sensor 35 ensures the displacement synchronization of the two sides of the inserting rod. The inserting rod) 17, the sliding block 27 and the chute 19 complete the horizontal propulsion of the track plate trolley 5, the track plate mold 40, and the tray 34 through the slide block telescopic cylinder 18, and accurately butt with the rail of each layer of steam curing station.
The track plate trolley 5 is used for supporting the track plate, a trolley track 36 is arranged on the tray 34, and the track plate trolley 5 supported on the trolley track 36.
The lifting drive gear is used for driving the lifting frame 4 to do up- and-down movement; the lifting drive gear comprises two wire rope fixed frames 11, wire ropes 8, a drum 16, a winch 15, a fixed pulley block 12, a movable pulley block 33 and a balanced pulley block 14. The wire rope fixed frames 11 is fixed on the support frame, the two wire ropes fixed frames 11 are fixed on the side beam of the main frame body 1 on one side of the drum 16, two balanced pulley blocks 14 are fixed on the side beam on the other side of the drum 16, and the positions of the two balance pulley blocks 14 correspond to those of the two steel wire ropes fixed frames 11.
Both ends of the wire ropes 8 are respectively fixed on the two wire rope fixed frames 11, the wire ropes 8 are successively divided into a first section, a second section and a third section along the length direction, the first section of the wire ropes 8 extends from one of the wire rope fixed frames 11 to the corresponding balance pulley block 14, and the second section of the wire ropes 8 extends from one of the balance pulleys to another of the balanced pulley block 14, the third section of the wire ropes 8 extends from another wire rope fixed frame 11 to the corresponding balanced pulley block 14, and part of the first section of the wire ropes 8 and the third section of the wire
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LU503302 ropes are wound on the drum 16.
The winch 15, connected with the drum 16 through the winch drives 13 to drive the drum 16 to rotate. The fixed pulley block 12 is arranged on the support frame, the wire ropes 8 on both sides of the drum 16 are equipped with the fixed pulley block 12(that is, there are four groups of fixed pulley assemblies), and which is rolling coordinated with the wire ropes 8.
The movable pulley blocks 33(four groups) are arranged on the lifting frame 4 and directly below the fixed pulley block 12, and rolling coordinated with the wire ropes 8. The wire rope fixed frame 11, the fixed pulley block 12, the balanced pulley block 14 and the movable pulley block 33 arranged on the lifting frame 4 are driven by the winch drives 13, the winch 15 and the drum 16 through connecting with the wire ropes 8, so as to achieve lifting, braking, descending and braking.
The positioning assemblies comprise a two-layer positioning adaptative structure, a three- layer positioning adaptative structure, a limit telescopic cylinder 20 and a dowel pin 21, in this example, the two- layer positioning adaptative structure is the two-layer positioning screw bolts 22, the three- layer positioning adaptative structure is the three-layer positioning screw bolt 23. In another example, the two-layer positioning adaptative structure and the three-layer positioning adaptative structure also are the mouth of the dowel pin arranged on the vertical guiding frame 3.
The two-layer positioning adaptative structure and the three-layer positioning adaptative structure are fixed on the vertical guiding frame 3, the positions of the two-layer positioning adaptative structure correspond to those of the second layer steam curing station in the continuous row kilns, and the positions of the three-layer positioning adaptation structure correspond to those of the third layer steam curing station in the continuous row kilns. The top surfaces of the two-layer positioning screw bolts 22 and the three-layer positioning screw bolts 23 on the vertical guiding frame 3 form positioning surfaces respectively.
The cylinder body of the limit telescopic cylinder 20 is fixed on the lifting frame 4, and the — dowel pin 21 is fixed on the output end of the limit telescopic cylinder 20, when the limit telescopic cylinder 20 is output in place, the dowel pin 21 overlaps with at least part of the two-layer positioning adaptative structure and the three-layer positioning adaptative structure in the up and down direction, and the positioning assemblies has an upper limit on the lifting frame 4 in the vertical downward direction; that is, the dowel pin 21 is implemented on the positioning surface of the two-layer positioning screw bolts 22 or that of the third-layer positioning screw bolts 23 to play
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LU503302 a limiting role. The dowel pin 21 on the lifting frame 4 can be extended or retracted by the limiting telescopic cylinder 20. When the lifting frame 4 is lifted to the second or the third layer, the lifting frame 4 can be accurately positioned in the vertical direction based on the corresponding second layer positioning screw bolts 22 and the third layer positioning screw bolts 23, combined with gravity, so as to ensure that the upper surface of the trolley track 36 is consistent with the upper surface of the rail at the kilns in the steam curing station.
When the output end of the limit telescopic cylinder 20 is reset, the retracted dowel pin 21 disengages from the two-layer positioning screw bolts 22 or the three-layer positioning screw bolts 23. The positioning pin 21, the two-layer positioning adaptive structure and the three-layer positioning adaptive structure do not overlap in the upper and lower directions, and the positioning component releases the limit on the lifting frame 4.
As shown in fig. 10, the positioning telescopic cylinder 39 is arranged on the support frame, the output end of the positioning telescopic cylinder 39 extends along up and down direction and on which fixedly provided with the bolt 37; when the positioning telescopic cylinder 39 is output in place, the bolt 37 is inserted into the positioning hole 38 of steam curing station arranged on the edge of the continuous row kilns to realize the accurate positioning of the track plate transportation device; when the positioning telescopic cylinder 39 is reset, the bolt 37 disengages from the steam curing station positioning hole 38.
The working processes of the steam curing system in the application are as follows: 1. The moving motor 9 drives the walking wheel 10, so that driving the track plate transportation device to walk next to the first row of steam curing station, and the positioning telescopic cylinder 39 drives the bolt 37 to insert into the positioning hole of steam curing station 38 arranged on the edge of the continuous row kilns to realize the accurate positioning. 2. The winch 15 drives the lifting frame 4 to lift, at the same time, the dowel pin 21 retracts and lifts until the dowel pin 21 is 200 mm below the positioning screw bolts 22 on the second layer in the vertical direction, the winch 15 brakes, and the clamp arm 6 is driven to open by the clamp arm driving mechanism while lifting. 3. The lifting frame 4 descends under the action of gravity, the lifting frame 4 descends until the dowel pin 21 is 2500 mm below the two layers positioning screw bolts 22 in the vertical direction, the winch 15 brakes, and the clamp arm driving mechanism drives the clamp arm 6 to close, at this
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LU503302 time, the track plate trolley 3, the track plate mold 40 and the tray 34 have been supported. 4. The winch 15 drives the lifting frame 4 to lift until the dowel pin 21 is 200 mm above the positioning surface of the two layers positioning screw bolts 22 in the vertical direction, and the winch 15 brakes, after the dowel pin 21 extended by the limit telescopic cylinder 20, the lifting frame 4 descends to the dowel pin 21 under the action of gravity to stick to the positioning surface of the two layers positioning screw bolts 22 , and the winch 15 brakes to complete the accurate positioning of the lifting frame 4 for the steam curing station on the second layer, as shown in fig. 9 and fig. 10. 5. The sliding block telescopic cylinder 18 pushes the sliding block 27 and the inserting rod 17 on the sliding block 27, and pushes the track plate trolley 5, the track plate mold 40 and the tray 34 through the inserting rod 17, so that the trolley track 36 on the tray 34 is connected to the rail of the steam curing station and the height is consistent, so as to complete the horizontal propulsion of the track plate trolley 3, the track plate mold 40 and the tray 34. 6. The track plate trolley 5 is driven to the predetermined steam curing station by the trolley translation device, and the inserting rod 17 pulls the tray 34 to reset. 7. The winch 15 drives the lifting frame 4 to lift until the dowel pin 21 1s 200 mm above the positioning surface of the two layers positioning screw bolts 22 in the vertical direction, the winch 15 brakes. After the dowel pin 21 is retracted, the lifting frame 4 descends under the driving of gravity, and the positioning pin 21 is located 2500 mm below the positioning surface of the two layers positioning screw bolts 22 in the vertical direction, the winch 15 brakes, and the clamp arm driving mechanism drives the clamp arm 6 to open. After the winch 15 driving the lifting frame 4 to lift 900 mm, then the winch 15 brakes, and the clamp arm driving mechanism drives the clamp arm 6 to close. 8. The winch 15 drives the lifting frame 4 to lift until the dowel pin) 21 is 200 mm below the positioning surface of the two layers positioning screw bolts 22 in the vertical direction, and the winch 15 brakes. So far, the track plate trolley 5 and the track plate mold 40 are lifted, and the working cycle of the second layer steam curing station is completed. The working cycle of lifting the track plate trolley 5 and the track plate mold 40 to push the steam curing station on the second floor is the same, similarly, 1t will not be repeated.
The above steps are the working process of the track plate transportation device, and the
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LU503302 following steps are the working process of the other track plate transportation device. 9. The moving motor 9 drives the traveling wheel 10, so that driving the track plate transportation device to walk next to the first row of steam curing station, and the positioning telescopic cylinder 39 drives the bolt 37 to insert into the positioning hole of steam curing station 38 arranged on the edge of the continuous row kilns to realize the accurate positioning. 10. The winch 15 drives the lifting frame 4 to lift until the dowel pin 21 1s 200 mm above the positioning surface of the two layers positioning screw bolts 22 in the vertical direction, and the winch 15 brakes, after the dowel pin 21 extended by the limit telescopic cylinder 20, the lifting frame 4 descends to the dowel pin 21 under the action of gravity to stick to the positioning surface of the two layers positioning screw bolts 22, and the winch 15 brakes. 11. The sliding block telescopic cylinder 18 pushes the sliding block 27 and the inserting rod 17 on the sliding block 27, and pushes the track plate trolley 3, the track plate mold 40 and the tray 34 through the inserting rod 17, so that the trolley track 36 on the tray 34 is connected to the rail of the steam curing station and the height is consistent, so as to complete the horizontal propulsion of the track plate trolley 5, the track plate mold 40 and the tray 34. 12. The track plate trolley 5 is driven from the predetermined steam curing station to the tray 34 by the trolley translation device, and the inserting rod 17 pulls the tray 34 to reset. 13. The winch 15 drives the lifting frame 4 to lift until the dowel pin 21 is 200 mm above the positioning surface of the two layers positioning screw bolts 22 in the vertical direction, the winch 15 brakes. After the dowel pin 21 is retracted, the lifting frame 4 descends under the driving of gravity, and the dowel pin 21 is located 2500 mm below the positioning surface of the two layers positioning screw bolts 22 in the vertical direction, the winch 15 brakes, and the clamp arm driving mechanism drives the clamp arm 6 to open. After the winch 15 driving the lifting frame 4 to lift 900 mm, then the winch 15 brakes, and the clamp arm driving mechanism drives the clamp arm 6 to close. 14. The winch 15 drives the lifting frame 4 to lift until the dowel pin 21 is 200 mm above the positioning surface of the two layers positioning screw bolts 22 in the vertical direction, and the winch 15 brakes.
So far, the work cycle of pulling the track plate trolley 5 and the track plate mold 40 out of the second layer steam curing station is completed, and the working cycle of pulling the track plate
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LU503302 trolley 5 and the track plate mold 40 out of the third layer steam curing station are similarly, it will not be repeated here. 15. Reversing the power unit, resetting the chains 44, and preparing for the steam curing procedure of the next track plate.
Claims (10)
1. A steam curing system, characterized by comprising: a track plate trolley, a track plate and a track trolley mold arranged on the track plate trolley; continuous row kilns, vertically provided with at least two layers of steam curing channels on which a first end and a second end are provided in the extending direction, a plurality of steam curing stations arranged between the first end and the second end, a trolley translation device arranged in the steam curing channels, which can drive the track plate trolley to move in the extending direction of the steam curing channels; a track plate transportation device, provided with at least two and arranged at both ends of the continuous row kilns respectively, one is used for transporting the track plate trolley to the first end of the steam curing channel, and the other one is used for receiving the track plate trolley output from the second of the steam curing channel; the trolley translation device comprises a power device, chains and pushing members, the extending direction of chains is the same as that of the steam curing channel, the power device used to drive the chains to move from the first end to the second end in the steam curing channel; the pushing members are fixed on the chains and used for stopping and matching with the track plate trolley, in order to drive the track plate trolley to move towards the second end when the chains move from the first end to the second end.
2. The steam curing system according to claim 1, characterized in that the power device can be reversed, which drives the chains to move from the second end to the first end in the steam curing system while being reversed.
3. The steam curing system according to claim 2, characterized in that the track plate trolley 1s provided with a downward convex bump and used to stop and coordinate with the pushing members; the pushing members comprise a heavy arm and a light arm, which are integrally formed or connected to form a V-shaped piece at the joint; an articulated shaft arranged at the joint; the pushing members hinged to the chains through the articulated shaft; when the pushing members are only subjected to gravity, the force of the chains and the articulated shaft, the heavy arm attached to the chains, and the light arm extends obliquely upward;
BL-5607 15 LU503302 when the chain moves from the first end to the second end in the steam curing channel, the light arm stops and coordinates with the bump to drive the track plate trolley to move; when the chain moves from the second end to the first end in the steam curing channel, the bump pushes the contacted pushing members to swing around the articulated shaft, so that the pushing members avoid the interference of the bump on the moving path.
4. The steam curing system according to claim 3, characterized in that rollers are arranged on the chains and used for rolling coordinated with the bottom wall of the steam curing channel, at least a portion of the wheel axle of the rollers forming the articulated shaft.
5. The steam curing system according to claim 1, characterized in that the track plate transportation device comprises: a support frame, provided with a moving motor, the output end of the moving motor 1s fixed with walking wheels through a reducer, wherein the walking wheels are supported on the mouth edge of the continuous row kilns to drive the track plate transportation device to move in the continuous row kilns; a vertical guiding frame, fixedly arranged on the support frame, provided with guide rails extending along the up and down direction, two relatively arranged guide rails for a group, and the number of the guide rails for at least one group; a lifting frame, provided with a guide rail adaptive structure, which is matched with the guide rails to guide the up-and-down movement of the lifting frame; a lifting drive gear, driving the lifting frame to do up-and-down movement; clamp arms, two relatively arranged clamp arms is a group, the number of the clamp arms is at least one group, the clamp arms are hinged on the lifting frame through the articulated shafts, and each clamp arm is provided with an inserting rod and a tray track; clamp arm driving assemblies, a group of the clamp arms corresponding to one set of clamp arm driving assemblies, and the clamp arm driving assemblies are used to drive the clamp arms to swing around the articulated shaft to clamp or loosen the clamp arms; a tray, provided with an insertion hole of the inserting rod; when the clamp arms are clamped, the inserting rods are inserted into the insertion hole of the inserting rod; when the clamp arms are
BL-5607 16 LU503302 loosened, the inserting rods are detached from the insertion hole of the inserting rod; and the tray is provided with a trolley track; the track plate trolley 1s used to support the track plate, and supported on the trolley track.
6. The steam curing system according to claim 5, characterized in that the lifting driving gear comprises: two wire rope fixed frames, fixed on the support frame; wire ropes, both of which are respectively fixed on two wire rope fixed frames; a drum, the wire ropes are partially wound on the drum; a winch, connected with the drum through the winch reducer to drive the drum to rotate; a fixed pulley block, arranged on the support frame, the wire ropes on both sides of the drum are configured with the fixed pulley block, rolling coordinated with the wire ropes; amovable pulley block, arranged on the lifting frame and directly below the fixed pulley block, rolling coordinated with the wire ropes; the two wire ropes fixed frames are fixed on the side beam of the support frame on one side of the drum, two balance pulley blocks are fixed on the side beam on the other side of the drum, and the positions of the two balance pulley blocks correspond to those of the two wire ropes fixed frames; the wire ropes are successively divided into a first section, a second section and a third section along the length direction, the first section extends from one of the wire rope fixed frames to the corresponding balance pulley block, the second section extends from one of the balance pulleys to another balance pulley block, the third section extends from another wire rope fixed frame to the corresponding balance pulley block, and part of the first section and the third section of the wire ropes are wound on the drum, the first section and the third section of the wire ropes are partially wound on the drum.
7. The steam curing system according to claim 5, characterized in that the track plate transportation device also comprises positioning assemblies, which comprising a two-layer positioning adaptative structure, a three-layer positioning adaptative structure, a limit telescopic cylinder and a dowel pin; the two-layer positioning adaptative structure and the three-layer positioning adaptative
BL-5607 17 LU503302 structure are fixed on the vertical guiding frame, the positions of the two-layer positioning adaptative structure correspond to those of the second layer steam curing station in the continuous row kilns, and the positions of the three-layer positioning adaptation structure correspond to those of the third layer steam curing station in the continuous row kilns; the cylinder body of the limit telescopic cylinder is fixed on the lifting frame, and the dowel pin is fixed on the output end of the limit telescopic cylinder, when the limit telescopic cylinder is output in place, the dowel pin overlaps at least part of the two-layer positioning adaptative structure and the three-layer positioning adaptative structure in the up and down direction, the positioning assemblies limit the lifting frame in the vertical downward direction; when the output end of the limit telescopic cylinder is reset, the dowel pin does not overlap with the two-layer positioning adaptation structure and the three-layer positioning adaptation structure in the up and down) direction, and the positioning component releases the limit on the lifting frame.
8. The steam curing system according to claim 5, characterized in that the number of the guide rails is two groups, the end faces are respectively located at the four corners of a virtual quadrilateral, the guide rails are provided with guide grooves, being V-shaped grooves, and the openings of the guide grooves of one group of the guide rails are opposite; the guide rail adaptative structure comprises a guide wheel and a guide plate, wherein the guide wheel is provided with a guide annular surface, a cross section of which is a V-shaped surface; the guide plate is provided with a guide surface, being a V-shaped surface; the guide plate and the guide wheel are provided with two, the two guide plates are respectively coordinated with the two guide rails on a diagonal of the virtual quadrilateral, and the two guide wheels are respectively coordinated with the other two guide rails; a chute is arranged on the clamp arm, a sliding block is arranged in the chute, and the inserting rod is fixed on the sliding block; the track plate transportation device also comprises a sliding block telescopic cylinder, the cylinder body of which is fixed on the clamp arm, and the sliding block is fixed on the output end of the sliding block telescopic cylinder, when the sliding block telescopic cylinder is output in place, the trolley track is connected to the rail of the steam curing station and the height is consistent.
BL-5607 18 LU503302
9. The steam curing system according to claim 5, characterized in that the clamp arm driving assemblies comprises a clamp arm telescopic cylinder and two groups of planar four-bar linkages; the cylinder body of the clamp arm telescopic cylinder and the planar four-bar linkages are arranged on the lifting frame, the output end of the clamp arm telescopic cylinder is connected to the input end of the crank of the two groups of the planar four-bar linkages, and the output end of the rocker of the two groups of the planar four-bar linkages are hinged with the two clamp arms respectively; the output end of the clamp arm telescopic cylinder is connected to the input end of the crank of the planar four-bar linkages through a push arm and a torsion shaft, the output end of the clamp arm telescopic cylinder is hinged with one end of the push arm, the other end of the push arm is fixedly connected to one end of the torsion shaft, and the other end of the torsion shaft is fixedly connected to the input end of the crank of the planar four-bar linkages.
10. The steam curing system according to claim 8, characterized in that the track plate transportation device also comprises a controller; the two inserting rods are provided with inserting rod displacement sensors, which convey an inserting rod position signal to the controller; the sliding block telescopic cylinder is provided with an electronic control valve, which controls the flow of thrust medium input to the sliding block telescopic cylinder, wherein the controller controls the opening size of the electronic control valve; the support frame is provided with a positioning telescopic cylinder, the output end of the positioning telescopic cylinder is telescopic along the up and down direction and fixed with a bolt; when the output of the positioning telescopic cylinder is in place, the bolt is inserted into a positioning hole of the steam curing station arranged on the edge of the continuous row kilns; when the output end of the positioning telescopic cylinder is reset, the bolt comes out of the positioning hole of the steam curing station.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111131590 | 2021-09-26 | ||
| CN202111205532.5A CN116789019A (en) | 2021-10-15 | 2021-10-15 | Steam curing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| LU503302A1 LU503302A1 (en) | 2023-03-27 |
| LU503302B1 true LU503302B1 (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU503302A LU503302B1 (en) | 2021-09-26 | 2022-01-18 | Steam curing system for production line of pre-tensioning prestressed concrete track plate |
Country Status (2)
| Country | Link |
|---|---|
| LU (1) | LU503302B1 (en) |
| WO (1) | WO2022179345A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116494373B (en) * | 2023-05-12 | 2024-04-02 | 武汉建工集团股份有限公司 | Device and method for preparing brick blocks and drainage board layers from recycled concrete |
| CN116749325B (en) * | 2023-08-11 | 2023-10-24 | 河北住工建材有限公司 | Curing device for plate-type concrete prefabricated part |
| CN117775040A (en) * | 2023-12-29 | 2024-03-29 | 中国中铁股份有限公司 | Wing-spreading type high-speed rail plate defect detection vehicle |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2325218C3 (en) * | 1973-05-18 | 1980-10-16 | Lorenz 4600 Dortmund Kesting | Process for the circulation of pallets in the production of large panels from reinforced concrete and system for carrying out the process |
| CN107042580B (en) * | 2017-04-26 | 2022-09-13 | 天津中金博奥重工机械有限责任公司 | Precast concrete pipe culvert production line and production process |
| CN207645366U (en) * | 2017-11-30 | 2018-07-24 | 纽科伦（新乡）起重机有限公司 | A kind of tray stacking machine for conveying pallet to curing kilns |
| CN208197143U (en) * | 2018-03-10 | 2018-12-07 | 山东高速轨道设备材料有限公司 | A kind of mould vehicle driving mechanism of track board assembly line |
| CN212707334U (en) * | 2020-05-19 | 2021-03-16 | 中铁九局集团有限公司 | Three-dimensional channel type steam curing system for pre-tensioning method prestressed concrete track slab production line |
| CN112917667A (en) * | 2021-03-15 | 2021-06-08 | 湖南三一快而居住宅工业有限公司 | Lifting machine, concrete prefabricated part maintenance system and concrete prefabricated part production line |
| CN113602974B (en) * | 2021-09-26 | 2023-12-01 | 中铁九局集团有限公司 | Crane applied to track slab three-dimensional steam curing system and application method |
-
2022
- 2022-01-18 WO PCT/CN2022/072594 patent/WO2022179345A1/en active Application Filing
- 2022-01-18 LU LU503302A patent/LU503302B1/en active
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| Publication number | Publication date |
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| WO2022179345A1 (en) | 2022-09-01 |
| LU503302A1 (en) | 2023-03-27 |
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